v3.24.3
Preparation Of Interim Financial Statements (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Goodwill [Line Items]          
Goodwill impairment $ 4,422 $ 604 $ 5,061 $ 604  
Goodwill – Net 63,432   $ 63,432   $ 67,854
Communications | Business Wireline          
Goodwill [Line Items]          
Goodwill impairment $ 4,422